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#!/bin/bash

echo ' '
echo '  This script will install the >>Run Time<< libraries in the system'
echo '  from the build directories or from the unpacked download.'
echo '  It was tested only in Ubuntu.'
echo ' '
echo '  Must be run with "sudo" at the library folder, or install will fail:'
echo '     sudo ./install'
echo ' '

SYSTEM_LIB=/usr/lib

EchoDownloadTip()
{
  echo '  The downloaded package must already be unpacked in the current directory.'
  echo '  Do NOT unpack different packages in the same directory.'
  echo '  For example:'
  echo '     mkdir iup'
  echo '     cd iup'
  echo '     tar -xpvzf ../iup-3.2_Linux26g4_lib.tar.gz'
  echo ' '
}

Pause()
{
  echo -n Press Enter to continue or Ctrl+C to abort...
  read contscr
  echo ' '
}

ComputeTecUname()
{
  TEC_SYSNAME=`uname -s`
  TEC_SYSVERSION=`uname -r|cut -f1 -d.`
  TEC_SYSMINOR=`uname -r|cut -f2 -d.`
  TEC_SYSARCH=`uname -m`
  
  TEC_UNAME=$TEC_SYSNAME$TEC_SYSVERSION$TEC_SYSMINOR

  # Linux 2.4 and GCC 3.x
  if [ $TEC_UNAME == Linux24 ]; then
    GCCVER=`gcc -dumpversion|cut -f1 -d.`
    if [ $GCCVER == 3 ]; then
      TEC_UNAME=$TEC_UNAME'g3'
    fi
  fi

  # Linux 2.6 and GCC 4.x
  if [ $TEC_UNAME == Linux26 ]; then
    GCCVER=`gcc -dumpversion|cut -f1 -d.`
    if [ $GCCVER == 4 ]; then
      TEC_UNAME=$TEC_UNAME'g4'
    fi
  fi

  # 64-bits Linux
  if [ $TEC_SYSARCH == x64 ]; then
    TEC_UNAME=$TEC_UNAME'_64'
  fi
}

Copy_RunTime_Extra_CD()
{
  # Do NOT overwrite for FreeType
  cp -fn $1libfreetype.so $SYSTEM_LIB
  
  cp -fv $1libpdflib.so $SYSTEM_LIB
  cp -fv $1libftgl.so $SYSTEM_LIB
}

Copy_RunTime_To_System()
{
  cp -fv $2lib$1*.so $SYSTEM_LIB
  
  if [ $1 == cd ]; then
    Copy_RunTime_Extra_CD $2
  fi
}

Install_RunTime()
{
  if [ -d lib/$TEC_UNAME ]; then
    echo '  Installing from build directory' lib/$TEC_UNAME
    echo ' '
    Pause
    Copy_RunTime_To_System $1 lib/$TEC_UNAME/
  else
    echo '  The directory' lib/$TEC_UNAME 'was not found,'
    echo '  so installing from unpacked download.'
    echo ' '
    EchoDownloadTip
    Pause
    Copy_RunTime_To_System $1
  fi
}

ComputeTecUname

Install_RunTime cd